— Know what they know.
Not Investment Advice

PSNL NASDAQ

Personalis, Inc.
1W: +22.9% 1M: +30.7% 3M: -0.4% YTD: +5.1% 1Y: +66.3% 3Y: +300.5% 5Y: -58.2%
$8.47
+0.22 (+2.67%)
 
Weekly Expected Move ±12.3%
$5 $6 $6 $7 $8
NASDAQ · Healthcare · Medical - Diagnostics & Research · Alpha Radar Buy · Power 63 · $752.2M mcap · 53M float · 3.59% daily turnover · Short 62% of daily vol

🏦 Institutional Activity

Latest: Q1 2026
159
Institutions Holding
+20 vs prior
63.5%
Ownership
-9.22%
35 New
42 Increased
64 Reduced
32 Closed

👔 Insider Trades

22 records
Date Name Title Type Shares Price Value Filing
2026-03-15 Tachibana Aaron officer: cfo and coo A-Grant/Award 34,375 $— $0 Filing
2026-03-15 Moore Stephen Michael officer: svp and chief legal officer A-Grant/Award 28,125 $— $0 Filing
2026-01-22 Tachibana Aaron officer: cfo and coo S-Sale 1,201 $11.50 $14K Filing
2025-12-22 Tempus AI, Inc. 10% owner P-Purchase 28,000 $8.93 $250K Filing
2025-12-19 Tempus AI, Inc. 10% owner P-Purchase 29,641 $8.39 $249K Filing
2025-12-18 Tempus AI, Inc. 10% owner P-Purchase 31,430 $7.91 $249K Filing
2025-12-17 Tempus AI, Inc. 10% owner P-Purchase 31,650 $7.86 $249K Filing
2025-11-25 Tachibana Aaron officer: cfo and coo S-Sale 103,668 $10.78 $1.1M Filing
2025-11-25 Tempus AI, Inc. 10% owner P-Purchase 9,712 $10.08 $98K Filing
2025-11-25 Tempus AI, Inc. 10% owner P-Purchase 13,888 $11.00 $153K Filing
2025-11-24 Tempus AI, Inc. 10% owner P-Purchase 25,225 $9.87 $249K Filing
2025-11-21 Tempus AI, Inc. 10% owner P-Purchase 9,900 $8.84 $88K Filing
2025-11-21 Tempus AI, Inc. 10% owner P-Purchase 16,599 $9.74 $162K Filing
2025-11-20 Tempus AI, Inc. 10% owner P-Purchase 28,827 $8.63 $249K Filing
2025-11-19 Tempus AI, Inc. 10% owner P-Purchase 30,645 $8.12 $249K Filing
2025-11-18 Tempus AI, Inc. 10% owner P-Purchase 64,750 $7.67 $497K Filing
2025-11-03 Hall Christopher M officer: president and ceo S-Sale 29,612 $8.99 $266K Filing
2025-07-28 Chen Richard officer: chief medical officer and evp S-Sale 452 $6.57 $3K Filing
2025-07-28 Tachibana Aaron officer: cfo and coo S-Sale 641 $6.57 $4K Filing
2025-05-16 Chen Richard officer: chief medical officer and evp S-Sale 910 $4.95 $5K Filing
2025-05-16 Moore Stephen Michael officer: svp and chief legal officer S-Sale 1,675 $4.95 $8K Filing
2025-05-16 Tachibana Aaron officer: cfo and coo S-Sale 1,291 $4.95 $6K Filing

🏛️ Congressional Trades

3 records
Date Politician Chamber Type Amount Filing
2020-05-19 Brian Mast House Sell $15,001 - $50,000 Filing
2020-04-22 Brian Mast House Sell $1,001 - $15,000 Filing
2020-02-14 Brian Mast House Buy $15,001 - $50,000 Filing

🏦 Top Institutional Holders

20 holders
Holder Shares Value Date Reported Filing
Merck & Co., Inc. 14,044,943 $89M 2026-03-31 Filing
LIGHTSPEED MANAGEMENT COMPANY, L.L.C. 8,160,734 $52M 2026-03-31 Filing
ARK Investment Management LLC 7,944,112 $51M +65,025 2026-03-31 Filing
AMERIPRISE FINANCIAL INC 7,592,807 $48M +1,305,656 2026-03-31 Filing
BlackRock, Inc. 5,389,885 $34M +70,377 2026-03-31 Filing
Aberdeen Group plc 3,488,308 $22M +238,413 2026-03-31 Filing
Deep Track Capital, LP 3,000,000 $19M +3,000,000 2026-03-31 Filing
AIGH Capital Management LLC 2,900,000 $18M 2026-03-31 Filing
VANGUARD CAPITAL MANAGEMENT LLC 2,868,463 $18M +2,868,463 2026-03-31 Filing
KENNEDY CAPITAL MANAGEMENT LLC 2,183,572 $14M +470,920 2026-03-31 Filing
Blue Water Life Science Advisors, LP 1,676,300 $11M 2026-03-31 Filing
GEODE CAPITAL MANAGEMENT, LLC 1,297,655 $8M -152 2026-03-31 Filing
STATE STREET CORP 1,134,170 $7M +83,580 2026-03-31 Filing
DIMENSIONAL FUND ADVISORS LP 1,066,248 $7M +83,074 2026-03-31 Filing
PFM Health Sciences, LP 870,097 $6M +64,280 2026-03-31 Filing
GOLDMAN SACHS GROUP INC 737,132 $5M +394,657 2026-03-31 Filing
JPMORGAN CHASE & CO 575,490 $4M +548,774 2026-03-31 Filing
VANGUARD PORTFOLIO MANAGEMENT LLC 560,539 $4M +560,539 2026-03-31 Filing
HOWLAND CAPITAL MANAGEMENT LLC 547,115 $3M 2026-03-31 Filing
STATE OF MICHIGAN RETIREMENT SYSTEM 493,798 $3M 2026-03-31 Filing

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For informational purposes only. Not investment advice. Data sourced from SEC filings. Privacy Terms